Home / 190,046,843-285,178,102.86-102,607,193.96

Finding the Fourth Proportional to 190,046,843, 285,178,102.86 and 102,607,193.96

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Solution

The fourth proportional to 190,046,843, 285,178,102.86 and 102,607,193.96 is: 153,969,013.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,046,843 : 285,178,102.86 = 102,607,193.96 : x
  2. Step 2: Convert to fraction form
    190,046,843/285,178,102.86 = 102,607,193.96/x
  3. Step 3: Cross multiply
    190,046,843x = 285,178,102.86 × 102,607,193.96
  4. Step 4: Simplify right side
    190,046,843x = 29,261,324,913,300,852
  5. Step 5: Solve for x
    x = 29,261,324,913,300,852/190,046,843
  6. Step 6: Final answer
    x = 153,969,013.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.